1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
content / browser / renderer_host / input / fling_scheduler_unittest.cc [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/input/fling_scheduler.h"
#include "build/build_config.h"
#include "content/browser/renderer_host/agent_scheduling_group_host.h"
#include "content/browser/site_instance_group.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/mock_render_process_host.h"
#include "content/public/test/test_browser_context.h"
#include "content/test/mock_render_widget_host_delegate.h"
#include "content/test/test_render_view_host.h"
#include "content/test/test_render_widget_host.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_WIN)
#include "ui/display/win/test/scoped_screen_win.h"
#elif BUILDFLAG(IS_CHROMEOS)
#include "ui/display/test/test_screen.h"
#endif
namespace content {
class FakeFlingScheduler : public FlingScheduler {
public:
FakeFlingScheduler(RenderWidgetHostImpl* host) : FlingScheduler(host) {}
FakeFlingScheduler(const FakeFlingScheduler&) = delete;
FakeFlingScheduler& operator=(const FakeFlingScheduler&) = delete;
void ScheduleFlingProgress(
base::WeakPtr<input::FlingController> fling_controller) override {
FlingScheduler::ScheduleFlingProgress(fling_controller);
fling_in_progress_ = true;
}
void DidStopFlingingOnBrowser(
base::WeakPtr<input::FlingController> fling_controller) override {
FlingScheduler::DidStopFlingingOnBrowser(fling_controller);
fling_in_progress_ = false;
}
bool fling_in_progress() const { return fling_in_progress_; }
ui::Compositor* compositor() { return GetCompositor(); }
ui::Compositor* observed_compositor() { return observed_compositor_; }
base::WeakPtr<input::FlingController> fling_controller() const {
return fling_controller_;
}
private:
bool fling_in_progress_ = false;
};
class FlingSchedulerTest : public testing::Test,
public input::FlingControllerEventSenderClient {
public:
FlingSchedulerTest() {}
FlingSchedulerTest(const FlingSchedulerTest&) = delete;
FlingSchedulerTest& operator=(const FlingSchedulerTest&) = delete;
void SetUp() override {
view_ = CreateView();
widget_host_->SetView(view_.get());
fling_scheduler_ = std::make_unique<FakeFlingScheduler>(widget_host_.get());
fling_controller_ = std::make_unique<input::FlingController>(
this, fling_scheduler_.get(), input::FlingController::Config());
}
void TearDown() override {
fling_controller_.reset();
fling_scheduler_.reset();
view_.release()->Destroy(); // 'delete this' is called internally.
widget_host_->ShutdownAndDestroyWidget(false);
widget_host_.reset();
process_host_->Cleanup();
site_instance_group_.reset();
process_host_.reset();
browser_context_.reset();
base::RunLoop().RunUntilIdle();
}
void SimulateFlingStart(const gfx::Vector2dF& velocity) {
blink::WebGestureEvent fling_start(
blink::WebInputEvent::Type::kGestureFlingStart, 0,
base::TimeTicks::Now(), blink::WebGestureDevice::kTouchscreen);
fling_start.data.fling_start.velocity_x = velocity.x();
fling_start.data.fling_start.velocity_y = velocity.y();
input::GestureEventWithLatencyInfo fling_start_with_latency(fling_start);
fling_controller_->ObserveAndMaybeConsumeGestureEvent(
fling_start_with_latency);
}
void SimulateFlingCancel() {
blink::WebGestureEvent fling_cancel(
blink::WebInputEvent::Type::kGestureFlingCancel, 0,
base::TimeTicks::Now(), blink::WebGestureDevice::kTouchscreen);
fling_cancel.data.fling_cancel.prevent_boosting = true;
input::GestureEventWithLatencyInfo fling_cancel_with_latency(fling_cancel);
fling_controller_->ObserveAndMaybeConsumeGestureEvent(
fling_cancel_with_latency);
}
// FlingControllerEventSenderClient
void SendGeneratedWheelEvent(
const input::MouseWheelEventWithLatencyInfo& wheel_event) override {}
void SendGeneratedGestureScrollEvents(
const input::GestureEventWithLatencyInfo& gesture_event) override {}
gfx::Size GetRootWidgetViewportSize() override {
return gfx::Size(1920, 1080);
}
input::FlingController* fling_controller() { return fling_controller_.get(); }
FakeFlingScheduler* fling_scheduler() { return fling_scheduler_.get(); }
private:
std::unique_ptr<TestRenderWidgetHostView> CreateView() {
browser_context_ = std::make_unique<TestBrowserContext>();
process_host_ =
std::make_unique<MockRenderProcessHost>(browser_context_.get());
process_host_->Init();
site_instance_group_ =
base::WrapRefCounted(SiteInstanceGroup::CreateForTesting(
browser_context_.get(), process_host_.get()));
int32_t routing_id = process_host_->GetNextRoutingID();
delegate_ = std::make_unique<MockRenderWidgetHostDelegate>();
widget_host_ = TestRenderWidgetHost::Create(
/* frame_tree= */ nullptr, delegate_.get(),
RenderWidgetHostImpl::DefaultFrameSinkId(*site_instance_group_,
routing_id),
site_instance_group_->GetSafeRef(), routing_id, /* hidden= */ false,
/* renderer_initiated_creation= */ false);
delegate_->set_widget_host(widget_host_.get());
return std::make_unique<TestRenderWidgetHostView>(widget_host_.get());
}
BrowserTaskEnvironment task_environment_;
std::unique_ptr<TestBrowserContext> browser_context_;
std::unique_ptr<RenderWidgetHostImpl> widget_host_;
std::unique_ptr<FakeFlingScheduler> fling_scheduler_;
std::unique_ptr<input::FlingController> fling_controller_;
std::unique_ptr<MockRenderProcessHost> process_host_;
scoped_refptr<SiteInstanceGroup> site_instance_group_;
std::unique_ptr<TestRenderWidgetHostView> view_;
std::unique_ptr<MockRenderWidgetHostDelegate> delegate_;
#if BUILDFLAG(IS_WIN)
// This is necessary for static methods of `display::ScreenWin`.
display::win::test::ScopedScreenWin scoped_screen_win_;
#elif BUILDFLAG(IS_CHROMEOS)
// This is necessary on ChromeOS as it needs to access tablet mode info.
display::test::TestScreen test_screen_{/*create_dispay=*/true,
/*register_screen=*/true};
#endif
};
TEST_F(FlingSchedulerTest, ScheduleNextFlingProgress) {
base::TimeTicks progress_time = base::TimeTicks::Now();
SimulateFlingStart(gfx::Vector2dF(1000, 0));
EXPECT_TRUE(fling_scheduler()->fling_in_progress());
EXPECT_EQ(fling_controller(), fling_scheduler()->fling_controller().get());
EXPECT_EQ(fling_scheduler()->compositor(),
fling_scheduler()->observed_compositor());
progress_time += base::Milliseconds(17);
fling_controller()->ProgressFling(progress_time);
EXPECT_TRUE(fling_scheduler()->fling_in_progress());
}
TEST_F(FlingSchedulerTest, FlingCancelled) {
SimulateFlingStart(gfx::Vector2dF(1000, 0));
EXPECT_TRUE(fling_scheduler()->fling_in_progress());
EXPECT_EQ(fling_controller(), fling_scheduler()->fling_controller().get());
EXPECT_EQ(fling_scheduler()->compositor(),
fling_scheduler()->observed_compositor());
SimulateFlingCancel();
EXPECT_FALSE(fling_scheduler()->fling_in_progress());
EXPECT_EQ(nullptr, fling_scheduler()->fling_controller());
EXPECT_EQ(nullptr, fling_scheduler()->observed_compositor());
}
} // namespace content